food_list.dart

// Models
class FoodList {
  final String name;
  final String imageUrl;
  
  FoodList({this.name, this.imageUrl});
}

List<FoodList> foodList = [
  FoodList(
    name: 'Battenberg Cake',
    imageUrl: 'https://www.themealdb.com/images/media/meals/ywwrsp1511720277.jpg'
  ),
  FoodList(
    name: 'BeaverTails',
    imageUrl: 'https://www.themealdb.com/images/media/meals/ryppsv1511815505.jpg'
  ),
];


// Screen
import 'package:flutter/material.dart';
import 'food_list.dart';

class FoodListScreen extends StatelessWidget {
  const FoodListScreen({Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: ListView.builder(
        itemCount: foodList.length,
        itemBuilder: (BuildContext context, int index) {
          return YOUR_WIDGET_HERE
        },
      ),
    );
  }
}

Notes:
Buat dua file berbeda, yang pertama untuk file food_list_model dan yang kedua untuk file food_list_screen.